To be grateful for the good things that happen in our lives is easy, but to be grateful for all our lives—the good as well as the bad, the moments of joy as well as the moments of sorrow, the successes as well as the failures, the rewards as well as the rejections—that requires hard spiritual work. Still, we are only truly grateful people when we can say thank you to all that has brought us to the present moment.
Perhaps it seems surprising that physicists seek beauty, but in fact they have no choice. As yet there has not been an exception to the rule that the demonstrable solution to any problem will turn out to be an aesthetic solution.
